﻿// Copyright 2004-2011 Castle Project - http://www.castleproject.org/
// 
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// 
//     http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#region 导入名称空间

using System;
using System.Diagnostics;
using System.Reflection.Emit;

#endregion

namespace LightWork.DynamicProxy.Generators.Emitters.SimpleAST
{
    [DebuggerDisplay("local {Type}")]
    public class LocalReference : TypeReference
    {
        private LocalBuilder localbuilder;

        public LocalReference(Type type) : base(type)
        {
        }

        public override void Generate(ILGenerator gen)
        {
            localbuilder = gen.DeclareLocal(Type);
        }

        public override void LoadAddressOfReference(ILGenerator gen)
        {
            gen.Emit(OpCodes.Ldloca, localbuilder);
        }

        public override void LoadReference(ILGenerator gen)
        {
            gen.Emit(OpCodes.Ldloc, localbuilder);
        }

        public override void StoreReference(ILGenerator gen)
        {
            gen.Emit(OpCodes.Stloc, localbuilder);
        }
    }
}